61429895522349 has 16 divisors (see below), whose sum is σ = 86347581358080. Its totient is φ = 38788952557680.

The previous prime is 61429895522293. The next prime is 61429895522383. The reversal of 61429895522349 is 94322559892416.

It is a de Polignac number, because none of the positive numbers 2^k-61429895522349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61429895522549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7026979789 + ... + 7026988530.

It is an arithmetic number, because the mean of its divisors is an integer number (5396723834880).

Almost surely, 2^{61429895522349} is an apocalyptic number.

It is an amenable number.

61429895522349 is a deficient number, since it is larger than the sum of its proper divisors (24917685835731).

61429895522349 is a wasteful number, since it uses less digits than its factorization.

61429895522349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14053968400.

The product of its digits is 335923200, while the sum is 69.

The spelling of 61429895522349 in words is "sixty-one trillion, four hundred twenty-nine billion, eight hundred ninety-five million, five hundred twenty-two thousand, three hundred forty-nine".